segmentation / ivote3

  #include <iostream>

  #include <string>

  #include <fstream>

  #include <cuda_runtime.h>
  #include <stim/math/vector.h>
  #include <stim/parser/arguments.h>
  #include <stim/parser/filename.h>

  #include <stim/visualization/colormap.h>

  #include <stim/image/image.h>

  #define pi	3.14159
  
  

  void ivote3(float* img, float std[], float anisotropy, float phi, float d_phi, unsigned int r[], int iter, float t, unsigned int conn[], 

  			unsigned int x, unsigned int y, unsigned int z);

  void lmax(float* center, float* vote, float t1, unsigned int conn[], unsigned int x, unsigned int y, unsigned int z);

  
  void invert_data(float* cpuI, unsigned int x, unsigned int y, unsigned int z){
  		for(int ix = 0; ix < x; ix++){
  			for (int iy = 0; iy < y; iy++){
  				for (int iz = 0; iz < z; iz++){
  					int idx = iz * x * y + iy * x + ix;
  					cpuI[idx] = 255 - cpuI[idx];
  				}
  			}
  		}
  	}

  int main(int argc, char** argv){
  

  
  	cudaDeviceProp prop;
  	int count;
  	cudaGetDeviceCount(&count);
  	//printf("cudadevicecount: %i\n", count);
  	for (int i=0; i<count; i++){
  		cudaGetDeviceProperties(&prop, i);
  		printf("current device ID: %d\n", i);
  		printf("device name: %s\n", prop.name);
  		printf("total global mem: %lu\n", prop.totalGlobalMem);

  		printf("shared memory per block: %lu\n", prop.sharedMemPerBlock);

  	}

  	//output advertisement
  	std::cout<<std::endl<<std::endl;
  	std::cout<<"========================================================================="<<std::endl;
  	std::cout<<"Thank you for using the ivote3 segmentation tool!"<<std::endl;
  	std::cout<<"Scalable Tissue Imaging and Modeling (STIM) Lab, University of Houston"<<std::endl;
  	std::cout<<"Developers: Laila Saadatifard and David Mayerich"<<std::endl;
  	std::cout<<"Source: https://git.stim.ee.uh.edu/segmentation/ivote3"<<std::endl;
  	std::cout<<"========================================================================="<<std::endl<<std::endl;
  
  	stim::arglist args;
  
  #ifdef _WIN32
  	args.set_ansi(false);
  #endif
  
  	//add arduments
  	args.add("help", "prints this help");
  	args.add("x", "size of the dataset along X axis", "positive value");
  	args.add("y", "size of the dataset along Y axis", "positive value");
  	args.add("z", "size of the dataset along Z axis", "positive value");
  	args.add("t", "threshold value for the final result", "positive valu");

  	args.add("invert", "to invert the input data set", "string");
  	args.add("anisotropy", "anisotropy value of the imaging", "positive value");

  	//parse the command line arguments.
  	args.parse(argc, argv);
  
  	//display the help text if requested
  	if(args["help"].is_set()){				
  		std::cout<<std::endl<<"usage: ivote input_image output_list --option [A B C ...]"<<std::endl;
  		std::cout<<std::endl<<std::endl
  				  << "examples: ivote blue.bmp list.txt "<<std::endl;
  		
  		std::cout<<std::endl<<std::endl;
  		std::cout<<args.str()<<std::endl;
  		exit(1);
  	}
  
  	//if the input and output files aren't specified, throw an error and exit
  	if(args.nargs() < 2){
  		std::cout<<"ERROR: two files must be specified for segmentation, enter ivote --help for options."<<std::endl<<std::endl;
  		exit(1);
  	}
  
  	//get the input image file
  	stim::filename Ifilename(args.arg(0));
  
  	//get the output file name
  	stim::filename OutName(args.arg(1));
  
  	//set the x, y, z.
  	int x = args["x"].as_int();
  	int y = args["y"].as_int();
  	int z = args["z"].as_int();
  
  	//set the threshold.
  	float t = args["t"].as_float();

  	//set the anisotropy
  	float anisotropy =  args["anisotropy"].as_float();
  	unsigned int rmax = 10 ;

  	unsigned int r[3] = { 12, rmax, rmax};

  	float std = 5;
  	float sigma[3] = { std, std, std};

  	unsigned int nlmax = 1;

  	unsigned int conn[3] = { nlmax, nlmax, nlmax};
  	float phi_deg = 25.0;

  	float phi = phi_deg * pi /180;

  	int iter = 8;
  	float d_phi = phi/(iter+2);

  	
  	std::string filename = Ifilename.str();

  	unsigned int bytes = x*y*z*sizeof(float);
  

  	//allocate space on the cpu for the input data

  	float* cpuI = (float*) malloc(bytes);
  

  	//load the input file into the cpuI

  	std::ifstream nissl(filename, std::ios::in | std::ios::binary);
  	nissl.read((char*)cpuI, bytes);
  	nissl.close();

  	if(args["invert"].is_set())
  		invert_data(cpuI, x, y, z);

  	
  	//write a new file from the cpuI.

  	std::ofstream original("shared2D-v1/inv-128.vol", std::ofstream::out | std::ofstream::binary);

  	original.write((char*)cpuI, bytes);
  	original.close();

  	//allocate space on the cpu for the output result

  	float* cpu_out = (float*) malloc(bytes);

  	// call the ivote function

  	//ivote3(cpu_out, cpuI, sigma, anisotropy, phi, d_phi, r, iter, t, conn, x, y, z);
  	ivote3(cpuI, sigma, anisotropy, phi, d_phi, r, iter, t, conn, x, y, z);

  	//write the blurred file from the cpuI.

  	std::ofstream fblur("shared2D-v8/vote8.vol", std::ofstream::out | std::ofstream::binary);

  	fblur.write((char*)cpuI, bytes);
  	fblur.close();

  	/*
  	stim::image<float>imgrad3;
  	imgrad3.set_interleaved3(cpu_out, 128,128,128,3);
  	std::ofstream fgx("syn/gx-128.vol", std::ofstream::out | std::ofstream::binary);
  	fgx.write((char*)imgrad3.channel(0).data(), bytes);
  	fgx.close();
  	*/

  	//write the output file.

  	//for (int t0=2000; t0<=2500; t0+=100){
  		int t0 = t;
  			lmax(cpu_out, cpuI, t, conn, x, y, z);
  			//std::ofstream fo("shared2D-v8/" + OutName.str(), std::ofstream::out | std::ofstream::binary);
  			std::ofstream fo("shared2D-v8/" + OutName.str()+std::to_string(t0)+".vol", std::ofstream::out | std::ofstream::binary);
  			fo.write((char*)cpu_out, bytes);
  			fo.close();

  	// creat a file for saving the list centers

  	
  		std::ofstream list("shared2D-v8/" + OutName.str()+std::to_string(t0)+".obj");
  		// set the number of detected cells to zero.
  		int nod = 0;

  		if (list.is_open()){
  

  				for (int iz=0; iz<z; iz++){

  					for (int iy=0; iy<y; iy++){

  						for (int ix=0; ix<x; ix++){

  
  							int idx = iz * x * y + iy * x + ix;
  							if (cpu_out[idx]==1){

  								nod++;
  								list << "v" << "\t" << ix << "\t" << iy << "\t"<< iz << '\n' ;

  					
  							}
  						}
  					}
  				}

  				list << "p" << "\t";
  				for (unsigned int i_nod =1 ; i_nod <=nod; i_nod++){
  					list << i_nod << "\t";
  				}

  
  		list.close();
  		}

  		cudaDeviceReset();       

  }